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add perimeter to derived attributes for polygonal geometries

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Alexander Bruy 2012-11-22 12:02:06 +02:00
parent a75793563a
commit 8a339a71e0
1 changed files with 4 additions and 0 deletions
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4
src/app/qgsmaptoolidentify.cpp
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@ -308,10 +308,14 @@ bool QgsMapToolIdentify::identifyVectorLayer( QgsVectorLayer *layer, int x, int
else if ( layer->geometryType() == QGis::Polygon )
{
double area = calc.measure( f_it->geometry() );
double perimeter = calc.measurePerimeter( f_it->geometry() );
QGis::UnitType myDisplayUnits;
convertMeasurement( calc, area, myDisplayUnits, true ); // area and myDisplayUnits are out params
QString str = calc.textUnit( area, 3, myDisplayUnits, true );
derivedAttributes.insert( tr( "Area" ), str );
convertMeasurement( calc, perimeter, myDisplayUnits, false ); // area and myDisplayUnits are out params
str = calc.textUnit( perimeter, 3, myDisplayUnits, false );
derivedAttributes.insert( tr( "Perimeter" ), str );
}
else if ( layer->geometryType() == QGis::Point &&
( f_it->geometry()->wkbType() == QGis::WKBPoint ||